Manuel J. Castillo

Physical fitness levels among European adolescents: the HELENA study

Francisco B. Ortega, Enrique G. Artero, Jonatan R. Ruiz et al. · British Journal of Sports Medicine · 2009 · 466 citations

Objectively Measured Physical Activity and Sedentary Time in European Adolescents: The HELENA Study

Jonatan R. Ruiz, Francisco B. Ortega, David Martínez‐Gómez et al. · American Journal of Epidemiology · 2011 · 323 citations

The International Fitness Scale (IFIS): usefulness of self-reported fitness in youth

Francisco B. Ortega, Jonatan R. Ruiz, Vanesa España‐Romero et al. · International Journal of Epidemiology · 2011 · 259 citations · Full text

Hand size influences optimal grip span in women but not in men

Jonatan R. Ruiz, José Luis Mesa Mesa, Ángel Gutiérrez et al. · The Journal Of Hand Surgery · 2002 · 256 citations

Kinesiology, Body Size, Gender Studies +7

A Prospective Study of Muscular Strength and All-Cause Mortality in Men With Hypertension

Enrique G. Artero, Duck-chul Lee, Jonatan R. Ruiz et al. · Journal of the American College of Cardiology · 2011 · 238 citations · Full text

All-cause Mortality, Hypertension, Kinesiology +11